Out in the secluded oceans, danger lurks where you least expect to find it. Will you survive horrifying creatures, treacherous storms and deadly stings and bites?

Packed full of fascination facts and essential information to get you to safety, Lost is an amazing new interactive, adventure-packed series in which the reader must choose their own path to survive to the end of the story. Can you get alive?

Tracey Turner has written more than 30 books for children on a variety subjects, from rude words to the entire history of the universe. Her books include the best-selling 101 Things You Need to Know, the acclaimed Comic Strip series, the hilariously funny World's Worst Jobs and many, many more. She lives in Bath with Tom and their son Toby.